arrow  Longitudinal Study on Growth of Indian
    Children During Adolescence [10 - 16 Years]
  1. To study the development of secondary sexual characteristics and pubertal changes in boys and girls.
  2. To study growth and development in relation to earlier (5-7 yrs of age) nutritional status of the same children.
  3. To study the skeletal maturity during adolescence.


This study was carried out during the period 1986 to 1991 in rural and urban slum areas in different regions of India to study the growth patterns of Indian children during adolescence.

Participating centres

The study was carried out by six centres covering five rural areas and two urban slum areas as listed below:

Centre Area
1. Postgraduate Institute for Medical Education and Research, Chandigarh Rural
2. National Institute of Nutrition, Hyderabad Rural
3. Medical College, Jabalpur Rural
4. Banaras Hindu University, Varanasi Rural
5. Christian Medical College, Vellore Rural and Urban slum
6. All India Institute of Medical Sciences New Delhi. Urban slum

Study Sample

A total of 6829 children including 3517 boys and 3312 girls in the age group of 9-12 years were included in the study. These children were taken from an earlier cohort study conducted by the Indian Council of Medical Research during the period 1981-86 on growth and development of children in relation to nutritional status. In that study all children of 0-2 and 5-7 years of age from the selected villages were identified through a door to door household survey and were enrolled for a longitudinal follow up study. These two cohorts of children were followed up for a period of 5 years, thus the children of second cohort were about 10-12 years of age at the time of completion of that study. It was then felt that this group of preadolescent children if followed up further would provide valuable data on growth and development during adolescence. Therefore this project was initiated in 1986 for a duration of 5 years.

A household survey in the study areas was conducted at the initiation of the project and eligible children available for longitudinal follow-up were identified and enrolled. These children were followed at six monthly

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